Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work
Reexamination Certificate
2006-07-18
2006-07-18
Lopez, Carlos (Department: 1731)
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
C264S332000, C264S682000, C264S683000
Reexamination Certificate
active
07077991
ABSTRACT:
Densified composites of silicon nitride, silicon carbide, and boron nitride that exhibit high creep resistance are obtained by sintering a mixture of amorphous powders of silicon nitride, silicon carbide, and boron nitride in the presence of an electric field under high pressure. The grain size in the resulting composite is less than 100 nanometers for all components of the composite, and the composite exhibits high creep resistance.
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Gasch Matthew J.
Mukherjee Amiya K.
Wan Julin
Heines M. Henry
The Regents of the University of California
Townsend and Townsend / and Crew LLP
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